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A model for reproductive efficiency of dairy bulls.
Koops WJ, Grossman M, Den Daas JH. Koops WJ, et al. J Dairy Sci. 1995 Apr;78(4):921-8. doi: 10.3168/jds.S0022-0302(95)76707-8. J Dairy Sci. 1995. PMID: 7790585 Free article.
Persistency of lactation yield: a novel approach.
Grossman M, Hartz SM, Koops WJ. Grossman M, et al. Among authors: koops wj. J Dairy Sci. 1999 Oct;82(10):2192-7. doi: 10.3168/jds.S0022-0302(99)75464-0. J Dairy Sci. 1999. PMID: 10531606 Free article.
Modeling extended lactations of dairy cows.
Vargas B, Koops WJ, Herrero M, Van Arendonk JA. Vargas B, et al. Among authors: koops wj. J Dairy Sci. 2000 Jun;83(6):1371-80. doi: 10.3168/jds.S0022-0302(00)75005-3. J Dairy Sci. 2000. PMID: 10877404 Free article.
34 results